3.4.24.1 atrolysin A - 3.4.24.10 Trichophyton mentagrophytes keratinase deleted 3.4.24.11 neprilysin - 3.4.24.12 envelysin - 3.4.24.13 IgA-specific metalloendopeptidase - 3.4.24.14 procollagen N-endopeptidase - 3.4.24.15 thimet oligopeptidase - 3.4.24.16 neurolysin - 3.4.24.17 stromelysin 1 - 3.4.24.18 meprin A -